Diode welding workbench
Technical Field
The invention belongs to the technical field of diode welding devices, and particularly relates to a diode welding workbench.
Background
Diodes are also known as crystal diodes, abbreviated as diodes (diodes), and in addition, early vacuum electronic diodes; it is an electronic device with unidirectional conduction of current. The electronic device has a PN junction and two lead terminals inside a semiconductor diode, and has a unidirectional current conduction characteristic in accordance with the direction of an applied voltage. The diode is one of the most commonly used electronic components, and its most important characteristic is that it is one-way conductive, that is, current can only flow through the diode from one direction, and the diode is mainly composed of a rectifying circuit, a detecting circuit, a voltage stabilizing circuit and various modulation circuits, and the diode is usually soldered and fixed on a circuit board by using an artificial soldering method.
Chinese patent with application number CN201720432723.8, it discloses a LED welding set, comprises a workbench, the PCB worn-out fur, rotating base, the LED emitting diode stopper, servo motor, the lead screw, feed nut, the stopper rod mounting panel, the stopper rod, a controller, through the welding height of controller input LED emitting diode on the PCB worn-out fur, servo motor passes through the lead screw drive and moves with the stopper rod mounting panel that feed nut is fixed, the stopper rod that is located on the stopper rod mounting panel promotes the LED emitting diode motion that is located the spacing inslot, until controller control servo motor stall, operating personnel can weld LED emitting diode. The device simple structure, LED emitting diode remain motionless throughout when welding for the LED emitting diode height after the welding is unanimous, the angle is unanimous, and effectively reduces operating personnel intensity of labour, improves production efficiency. But has the following disadvantages: the diode and the circuit board are low in assembling and disassembling efficiency and affect welding speed, and the welding surface is arranged on the back surface of the circuit board, so that the circuit board cannot be turned over, and welding is not facilitated.
Disclosure of Invention
The present invention is directed to a diode soldering station, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a diode soldering station, comprising:
the circuit board fixing table is characterized in that supporting shafts are integrally arranged at two ends of the circuit board fixing table and are rotationally connected to a rack, an air suction cover is fixedly welded at the rear side of the rack, the bottom of the air suction cover is connected with a fan through a connecting pipe, a collecting tank is arranged below the rack, fixing pins are fixed at two ends of the bottom of the circuit board fixing table and are movably connected with one end of a pressing rod, two rows of second magnets are fixedly arranged at two ends of the circuit board fixing table and are symmetrically arranged at the upper side and the lower side of the supporting shafts respectively, a row of first magnets are fixed on the inner side of the rack, and the second magnets and the first magnets attract each other;
the diode fixing table is sleeved on the fixing rod in a sliding mode, two ends of the fixing rod are movably connected to two ends of the circuit board fixing table respectively, the upper surface of the diode fixing table is connected with a supporting plate through an adjusting bolt, and a sealing cover is hinged to the supporting plate.
Preferably, the air suction cover is arc-shaped, and an activated carbon filter screen is installed at the port of the air suction cover.
Preferably, the lower surface of the circuit board fixing table is provided with a groove for placing a circuit board.
Preferably, the other end of the pressure lever is fixed with a rubber gasket, and a spring is sleeved on the fixed pin.
Preferably, the number of the fixing rods is two, one end of each fixing rod is in threaded connection with a nut, and sliding chutes for the fixing rods to slide are formed in the two ends of the circuit board fixing table.
Preferably, the lower surface of the supporting plate is integrally provided with a guide pin, the diode fixing table is provided with a positioning hole matched with the guide pin, and the diode fixing table is further provided with a locking nut.
Preferably, diode placing holes are distributed in the supporting plate in an array mode, and rubber ferrules are fixedly bonded on the inner walls of the diode placing holes.
Preferably, the cover is fixed with the support plate in a magnet attraction manner.
The invention has the technical effects and advantages that:
the invention can adjust the position of the diode fixing table, is convenient for welding the diode at different positions on the circuit board, can adjust the welding height of the diode by adjusting the height of the supporting frame, keeps the heights of all the diodes consistent under the action of the sealing cover, and improves the welding precision and the welding quality of the diode; through the mutual actuation of first magnet and second magnet, can stabilize the circuit board fixed station, utilize the clamp plate, can carry out fast loading and unloading to the circuit board, circuit board fixed station upset is fast, is favorable to improving welding speed.
Drawings
FIG. 1 is a schematic structural diagram of a diode welding bench according to the present invention;
FIG. 2 is an enlarged schematic view of a welding table of a diode of the present invention at A in FIG. 1;
FIG. 3 is a schematic side view of a diode welding bench according to the present invention;
FIG. 4 is a schematic structural diagram of a circuit board fixing table of a diode welding worktable according to the present invention;
FIG. 5 is a schematic diagram of a side view of a diode fixing table of a diode welding worktable according to the present invention;
fig. 6 is a schematic top view of a diode fixing table of a diode welding worktable according to the present invention.
In the figure: the air suction hood comprises an air suction hood 1, a rack 2, a collecting tank 3, a circuit board fixing table 4, a sliding chute 401, a supporting shaft 402, a fixing rod 5, a diode fixing table 6, a connecting pipe 7, a fan 8, a guide pin 9, a first magnet 10, a second magnet 11, a fixing pin 12, a pressing rod 13, a rubber gasket 14, a spring 15, a locking nut 16, a supporting plate 17, a diode placing hole 171, a sealing cover 18 and an adjusting bolt 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a diode soldering station, comprising:
the circuit board fixing table comprises a circuit board fixing table 4, wherein supporting shafts 402 are integrally arranged at two ends of the circuit board fixing table 4, the supporting shafts 402 are rotatably connected to a rack 2, an air suction cover 1 is fixedly welded at the rear side of the rack 2, the bottom of the air suction cover 1 is connected with a fan 8 through a connecting pipe 7, a collecting tank 3 is arranged below the rack 2, fixing pins 12 are fixed at two ends of the bottom of the circuit board fixing table 4, the fixing pins 12 are movably connected with one end of a pressure rod 13, two rows of second magnets 11 are fixedly arranged at two ends of the circuit board fixing table 4, the two rows of second magnets 11 are respectively and symmetrically arranged at the upper side and the lower side of the supporting shafts 402, a row of first magnets 10 are fixed at the inner side of the rack 2, and the second magnets 11 and;
the diode fixing table 6 is sleeved on the fixing rod 5 in a sliding mode, two ends of the fixing rod 5 are movably connected to two ends of the circuit board fixing table 4 respectively, the upper surface of the diode fixing table 6 is connected with a supporting plate 17 through an adjusting bolt 19, and the supporting plate 17 is hinged to a sealing cover 18.
The cover 1 that induced drafts is the arc, induced drafts the port department of cover 1 and installs the active carbon filter screen, and when circuit board fixed station 4 rotated, the cover 1 that induced drafts of arc structure when keeping absorption efficiency, can not lead to the fact the influence to circuit board fixed station 4's rotation, through the active carbon filter screen, can carry out the prefilter to inspiratory waste gas to carry out unified processing in going into waste gas centralized processing equipment with waste gas through fan 8.
The lower surface of the circuit board fixing table 4 is provided with a groove for placing a circuit board, so that the circuit board can be limited and fixed, and the circuit board is prevented from shaking.
The other end of depression bar 13 is fixed with rubber gasket 14, the cover has spring 15 on the fixed pin 12, through rubber gasket 14, can support tightly to the back of circuit board, utilizes rubber gasket 14 simultaneously, can prevent that depression bar 13 from causing the extrusion to the circuit board, and spring 15 sets up in the below of depression bar 13, utilizes spring 15, can impel depression bar 13 to the circuit board to compress tightly circuit board through depression bar 13 and fix.
The utility model discloses a lamp, including circuit board fixed station 4, dead lever 5, diode fixed station 6, dead lever 5, fixing rod 5 and circuit board, dead lever 5 is provided with two, the one end threaded connection of dead lever 5 has the nut, the both ends of circuit board fixed station 4 are equipped with and are used for the gliding spout 401 of dead lever 5, and diode fixed station 6 can be along 5 lateral sliding of dead lever, and dead lever 5 can carry out longitudinal sliding along spout 401, can fix dead lever 5 through the nut of screwing to the position of adjustment diode fixed station 6.
The lower surface integration of backup pad 17 is provided with guide pin 9, be equipped with on diode fixed station 6 with guide pin 9 matched with locating hole, still be equipped with lock nut 16 on the diode fixed station 6 for fix diode fixed station 6, when rotatory adjusting bolt 19, backup pad 17 will reciprocate, through guide pin 9, stability when can increasing backup pad 17 and remove prevents that backup pad 17 from taking place the slope, improves the precision.
The array distributes on the backup pad 17 has the diode and places hole 171, the bonding is fixed with the rubber lasso on placing the hole 171 inner wall of diode, and the rubber lasso has elasticity, can carry out certain stability to the diode of filling in, conveniently keeps fixed position when welding.
The sealing cover 18 is fixed with the supporting plate 17 in a magnet attracting mode, so that the sealing cover 18 can be opened conveniently.
Specifically, when in use, the fixing rod 5 is longitudinally adjusted and the diode fixing table 6 is transversely adjusted and fixed, then the height of the supporting plate 17 is adjusted according to the length of the diode pin to be welded by rotating the adjusting bolt 19, the diode is inserted into the diode placing hole 171 corresponding to the welding point on the circuit board during welding, the sealing cover 18 is fixed by magnetic attraction, then the circuit board fixing table 4 is rotated by 180 degrees, the circuit board is arranged in the groove in the circuit board fixing table 4, the pressing rod 13 is rotated, the pressing rod 13 is pushed towards the circuit board by the spring 15 so as to be tightly pressed by the pressing rod 13 for fixing, then the circuit board starts to be welded, after the welding is finished, the pressing rod 13 is pulled open, the circuit board is directly taken out, the diode is drawn out from the diode placing hole 171, a new circuit board is replaced, the circuit board fixing table 4 is rotated by 180 degrees, and (4) starting to mount the diode needing to be welded, and after the diode is mounted, rotating the circuit board fixing table 4 by 180 degrees again, and starting welding after the diode is stabilized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.